Product Indroduction

In the annealing state 3A21 aluminum has a high plasticity, in the cold hardening when the plastic is good, low ductility, good corrosion resistance, good weldability, can be poor cutting performance.

Product Specifications

1. Diameter: Standard

2. Length : According to your requirement

3. CE & ISO

Product Data

Chemical Composition

Alloy

Si

Fe

Cu

Mn

Mg

Cr

Zn

Ti

Al

Others

Max

Max

Max

Max

Max

Max

Max

Max

Min

3A21

0.6

0. 7

0.2

1.0-1.6

0.05

0.1

The Remaining

0.15

Mechanical Properties

Aluminum Alloy & Temper

Tensile Strength Rm/Mpa

Proof Strength Rp0.2/Mpa

Percentage Elongation After Fracture A/%

Hardness HB

3A21-H112

110

-

16

45

Product Application

3A21 uses are mainly used to require high plasticity and good weldability, such as aerospace, military equipment, tooling fixtures, automobiles, transportation, production of propellant tanks, welding structure of the cabin skin, end frames, stents and other welding pieces, as well as in corrosive media work in the catheter.